The EU and Nato have taken a vow of silence over Greenland after Denmark requested its key allies refrain from reacting to Donald Trump’s threats to seize the Arctic island.

The European Union is "not negotiating" on Greenland, EU's foreign policy chief Kaja Kallas said on Monday, amid claims by U.S. President Donald Trump that the United States needs to control Greenland for security purposes.

European Union foreign policy chief Kaja Kallas said Monday that Europe is “not negotiating” with the United States over control of Greenland, as President Trump continues to insist that acquiring the self-governing territory of Denmark is necessary for American national security.

After a series of suspected undersea cable cuttings, NATO has launched a new surveillance and deterrence mission to protect critical infrastructure under the Baltic Sea.

NATO is deploying eyes in the sky and on the Baltic Sea to protect cables and pipelines that stitch together the nine countries with shores on Baltic waters.

NATO is ratcheting up its guard against suspected attempts to sabotage underwater energy and data cables and pipelines that crisscross the Baltic Sea.